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The symbol (uppercase) should be used with prefix symbols (thus, mTorr and millitorr are correct, but mtorr and milliTorr are not). The torr is sometimes incorrectly denoted by the symbol "T", which is the SI symbol for the tesla, the unit measuring the strength of a magnetic field. Although frequently encountered, the alternative spelling "Tor ...
The SI unit of pressure is the pascal (symbol Pa), ... Pressure (Torr, atm) Mean free path Molecules per cm 3; Standard atmosphere, for comparison 101.325 kPa:
Symbol Name Meaning SI unit of measure alpha: alpha particle: angular acceleration: radian per second squared (rad/s 2) fine-structure constant: unitless beta: velocity in terms of the speed of light c: unitless beta particle: gamma: Lorentz factor: unitless photon: gamma ray: shear strain: radian
The bar (symbol: bar) is defined as exactly 100,000 Pa. The torr (symbol: Torr) is defined as exactly 1/760 atm. The millimeter of mercury (symbol: mmHg) is defined as the product of (1) the “standard’ density of mercury at 0 °C (13.5951 g/cm 3) and (2) the “standard” acceleration of gravity g n (9.80665 m/s 2).
This differs from its meaning in other sciences. [16] According to the American Meteorological Society Glossary of Meteorology , saturation vapor pressure properly refers to the equilibrium vapor pressure of water above a flat surface of liquid water or solid ice, and is a function only of temperature and whether the condensed phase is liquid ...
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. [1]: 445 Gauge pressure (also spelled gage pressure) [a] is the pressure relative to the ambient pressure. Various units are used to express pressure.
What does the symbol mean? This is where it gets juicy. So far, the show hasn’t offered any explanation, but has only presented the symbol with sinister connotations. That hasn’t stopped the ...
The gal (symbol: Gal), sometimes called galileo after Galileo Galilei, is a unit of acceleration typically used in precision gravimetry. [2] [3] [4] The gal is defined as 1 centimeter per second squared (1 cm/s 2). The milligal (mGal) and microgal (μGal) are respectively one thousandth and one millionth of a gal.